NIL, OFS, EOL, coalesce()
[svn/Cll1h/.git] / cll1.h
1 /* ------------------------------------------------------------------- */
2 /* C<<1 header file v0.7.1 - style sheet for ANSI C */
3 /* CERL - Cumbersome Extraction and Report Language */
4 /* ------------------------------------------------------------------- */
5 /* Copyright (c) 2004-2008 Michael xChaos Polak, x(at)n.cz
6
7 The C<<1 header file is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
11
12 The C<<1 header file is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
16
17 You should have received a copy of the GNU Lesser General Public License
18 along with C<<1 header file; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20
21 */
22
23 #ifndef _CLL1_H
24 #define _CLL1_H
25
26 #include <string.h>
27 #include <malloc.h>
28 #include <time.h>
29 #include <stdlib.h>
30 #include <stdarg.h>
31 #include <unistd.h>
32 #ifdef USE_LIBRARY_MYSQL
33 #include <mysql/mysql.h>
34 #endif
35 #ifdef USE_LIBRARY_FASTCGI
36 #include <fcgi_stdio.h>
37 #else
38 #include <stdio.h>
39 #endif
40 /* ------------------------------------------------------------------- */
41 /* 1. C<<1 constants and optional keywords, updated 2008-01-07 by xCh. */
42 /* ------------------------------------------------------------------- */
43 #define then
44 #define not !
45 #define and &&
46 #define or ||
47 #define boolean int
48 #define bool_str(VALUE) (VALUE?"TRUE":"FALSE")
49 #define TRUE 1
50 #define FALSE 0
51 #define MAYBE (int)((RANDOM_SEED?random():(RANDOM_SEED=time(NULL),srandom(RANDOM_SEED),random()))%2)
52 #define WHOKNOWS (int)(srandom(time(NULL)),random()%2)
53 #define _GLOBALS time_t RANDOM_SEED=0; char *EOL="\n", *OFS=" ", *IFS=" \t\n", *NIL="NULL";
54 #define coalesce(VALUE,NOTNULL) ((VALUE)?(VALUE):(NOTNULL))
55 #define mem struct
56 #define construct struct
57 /* ------------------------------------------------------------------- */
58 /* 2. C<<1 basic data types - updated 2008-01-07 by xCh. */
59 /* ------------------------------------------------------------------- */
60 #define Create_str(ID,INIT) char *ID=INIT
61 #define Define_str(ID) char *ID=NULL
62 #define Create_mem(ID,TYPE) struct TYPE *ID=get_mem(TYPE)
63 #define Create_mem_in_context(ID,TYPE,CONTEXT) struct TYPE *ID=get_mem_in_context(TYPE,CONTEXT)
64 #define Define_mem(ID,TYPE) struct TYPE *ID=NULL
65 #define Define_mems(ID1,I2,TYPE) Define_mem(ID1,TYPE);Define_mem(ID2,TYPE)
66
67 /* .... well....ehm...not very useful... :-) */
68 #define Create_var(ID,TYPE,INIT) TYPE ID=INIT
69 #define Define_var(ID,TYPE) TYPE ID
70 /* ------------------------------------------------------------------- */
71 #define list(T) struct T *_next
72 #define tree(T) struct T *_next;struct T *_seek
73 #define create(A,T) (A=(struct T *)malloc(sizeof(struct T)),A->_next=NULL,A)
74 #define push(A,B) ((A && A!=B)?A->_next=B:0,B=A)
75 #define pop(A,B) (B?((A?free(A):0),A=B=B->_next):(A=NULL))
76 #define append(A,B) if(B) { void *N=A; A->_next=NULL; for_search(A,B,!A->_next) {A->_next=N; break;}} else push(A,B);
77 #define remove(A,B,C) { void **_D=NULL; for_search(A,B,C) { if(_D)*_D=A->_next; else B=A->_next; free(A); } else _D=(void *)&(A->_next); }
78 #define drop(A,B) for( A=B; A || (B=NULL); B=A, A=A->_next, free(B) )
79 /* ------------------------------------------------------------------- */
80 /* 3. C<<1 general iterators - updated 2008-01-07 by xCh. */
81 /* ------------------------------------------------------------------- */
82 #define loop while(TRUE)
83 #define repeat(N) if(N>0) _NEW_I for_range(_I,1,N)
84 #define for_range(VAR,FROM,TO) for( VAR=FROM ; FROM<=TO?VAR<=TO:VAR>=TO ; FROM<=TO?VAR++:VAR--)
85 #define for_each(A,B) for(A=B; A; A=A->_next)
86 #define for_search(A,B,C) for_each(A,B) if(C)
87 #define for_file_lines(STR,F) /* _NEW_F for() */
88 #define for_ints(VAR,...) _NEW_I while(_iterate_ints(&VAR,_I,__VA_LIST) )
89 #define for_strs(VAR,...) _NEW_S
90 /* obsolete #define every(A,B) for( A=B; A; A=A->_next) */
91 /* obsolete #define search(A,B,C) every(A,B) if(C) */
92 /* obsolete #define find(A,B,C) search(A,B,C) break; if(A) */
93 /* ------------------------------------------------------------------- */
94 /* 4.C<<1 conditionals - updated 2008-01-07 by xCh. */
95 /* ------------------------------------------------------------------- */
96 #define if_exists(A,B,C) for_search(A,B,C) break; if(A)
97 /* ------------------------------------------------------------------- */
98 /* 5. C<<1 argument handling, updated 2008-01-16 by xCh. */
99 /* ------------------------------------------------------------------- */
100 #define for_args _NEW_I for(_I=1;_I<argc;_I++)
101 #define if_args if(argc>1)
102 #define if_arg(VAL) if(eq(argv[_I],VAL))
103 #define this_arg argv[_I]
104 #define next_arg ((_I+1<argc)?argv[_I]:NULL)
105 /* ------------------------------------------------------------------- */
106 /* 6. C<<1 va_list based library functions, updated 2008-01-22 by xCh. */
107 /* ------------------------------------------------------------------- */
108 #define _ECHO void _cll1_print(int p,char *s, ... ) { int p2=0; va_list ap; for(va_start(ap,s);s!=(void *)&_cll1_print;s=va_arg(ap,char *)) { if(p) {if(p2) putchar(*OFS); else p2=1;} fputs(coalesce(s,NIL),stdout); } va_end(ap); if(p) putchar(*EOL);}
109 #define print(...) _cll1_print(1,__VA_ARGS__,(void *)&_cll1_print)
110 #define echo(...) _cll1_print(0,__VA_ARGS__,(void *)&_cll1_print)
111 /* ------------------------------------------------------------------- */
112 /* 8. C<<1 CGI and FASTCGI handling, updated 2008-01-16 by xCh. */
113 /* ------------------------------------------------------------------- */
114 #ifdef USE_LIBRARY_FASTCGI
115 #define while_fastcgi_accept while(FCGI_Accept()>=0)
116 #define USE_MODULE_CGI
117 #endif
118 #ifdef USE_MODULE_CGI
119 #define cgi(MIME) /* _init_cgi */ if(MIME) printf("Content-type: %s\r\n\r\n",MIME);
120 //todo getcgi(VAR)
121 //todo define_init_cgi
122 //todo #define _QSTACK struct _QStack { char *Q; int _23; list(_QStack); } *_Qatom,*_Qstack=NULL;
123 #endif
124 /* ------------------------------------------------------------------- */
125 /* 9. MySQL infrastructure and wrappers - updated 2007-12-19 by xCh. */
126 /* ------------------------------------------------------------------- */
127 #ifdef USE_LIBRARY_MYSQL
128 #define mysql_connect(S,U,P,D) (create(_Matom,_MStack) && push(_Matom,_Mstack) && (_Matom->M=mysql_init(NULL)),(_Matom->M && mysql_real_connect(_Matom->M,S,U,P,D,0,NULL,0)?_Matom->M:NULL))
129 #define for_mysql_query_results(ROW,QUERY) _NEW_(_Ratom,_Rstack,_RStack)for(_Ratom->R=(mysql_query(_Matom->M,QUERY)?NULL:mysql_use_result(_Matom->M)),ROW=(_Ratom->R?mysql_fetch_row(_Ratom->R):NULL);ROW;ROW=mysql_fetch_row(_Ratom->R))
130 #define _MSTACK struct _MStack { MYSQL *M; int _23; list(_MStack); } *_Matom,*_Mstack=NULL;
131 #define _RSTACK struct _RStack { MYSQL_RES *R; int _23; list(_RStack); } *_Ratom,*_Rstack=NULL;
132 #else
133 #define _MSTACK
134 #define _RSTACK
135 #endif
136 /* ------------------------------------------------------------------- */
137 /* old - from version 0.6 */
138 /* ------------------------------------------------------------------- */
139
140 /* ------------------------------------------------------------------- */
141 /* EXP macros for dummysort sequences, updated 2003-05-29 by xCh. */
142 /* ------------------------------------------------------------------- */
143 #define order_by(K1,K2) (K1>K2)
144 #define desc_order_by(K1,K2) (K1<K2)
145 #define sort_by(K1,K2) (strcasecmp(K1, K2)>0)
146 #define desc_sort_by(K1,K2) (strcasecmp(K1, K2)<0)
147 #define ascii_by(K1,K2) (strcmp(K1, K2)>0)
148 #define desc_ascii_by(K1,K2) (strcmp(K1, K2)<0)
149 /* ------------------------------------------------------------------- */
150 /* Dummysort sequences, updated 2003-05-29 by xCh. */
151 /* ------------------------------------------------------------------- */
152 #define insert(A,B,EXP,K) { if(B) { void **_L=NULL, *H=B; for_search(B,H,EXP(B->K,A->K)) { if(_L) {*_L=A; A->_next=B; } else push(A,H); break; } else _L=(void *)&(B->_next); if(!B)*_L=A; B=H; } else push(A,B); }
153 #define sort(A,B,EXP,K) { void *_C; A=B; B=NULL; do { _C=A->_next; A->_next=NULL; insert(A,B,EXP,K); A=_C; } while(_C); }
154 /* ------------------------------------------------------------------- */
155 /* String macros & sequences, updated 2008-01-22 by xCh. */
156 /* ------------------------------------------------------------------- */
157 #define eq(A,B) (A && B && !strcmp(A,B))
158 #define eqi(A,B) (A && B && !strcasecmp(A,B))
159 /* Borland C legacy */
160 #define strcmpi(A,B) strcasecmp(A,B)
161 /* ------------------------------------------------------------------- */
162 /*
163 obsolete
164 #define strlwr(A) {char *_S=A; while(_&&*_S){*_S=tolower(*_S);_S++;}}
165 #define strupr(A) {char *_S=A; while(_&&*_S){*_S=toupper(*_S);_S++;}}
166 #define string(S,L) (S=(char *)malloc(L),*S=0)
167 #define duplicate(A,B) if(A) { string(B,strlen(A)+1); strcpy(B,A); }
168 #define concatenate(A,B,C) if (A && B) { string(C,strlen(A)+strlen(B)+1); strcpy(C,A); strcat(C,B); }
169 #define suffix(A,B,C) (((A=strrchr(B,C))&&!(*(A++)=0))||(A=B))
170 #define prefix(A,B,C) ((A=B)&&((B=strchr(B,C))&&!(*(B++)=0)||(B=A)))
171 #define gotoalpha(CHAR) if(CHAR)while(*CHAR && !isalpha(*CHAR))CHAR++
172 #define goto_alpha(CHAR) if(CHAR)while(*CHAR && !isalpha(*CHAR) && *CHAR!='_')CHAR++
173 #define gotoalnum(CHAR) if(CHAR)while(*CHAR && !isalnum(*CHAR))CHAR++
174 #define goto_alnum(CHAR) if(CHAR)while(*CHAR && !isalnum(*CHAR) && *CHAR!='_')CHAR++
175 #define skipalpha(CHAR) if(CHAR)while(*CHAR && isalpha(*CHAR))CHAR++
176 #define skip_alpha(CHAR) if(CHAR)while(*CHAR && (isalpha(*CHAR) || *CHAR=='_'))CHAR++
177 #define skipalnum(CHAR) if(CHAR)while(*CHAR && isalnum(*CHAR))CHAR++
178 #define skip_alnum(CHAR) if(CHAR)while(*CHAR && (isalnum(*CHAR) || *CHAR=='_'))CHAR++
179 #define skipspaces(CHAR) if(CHAR)while(*CHAR==' ')CHAR++
180 #define cutspaces(CHAR) if(CHAR){int _L=strlen(CHAR); while(--_L>0 && CHAR[_L]==' ')CHAR[_L]=0;}
181 #define gotochr(CHAR,C) if(CHAR)while(*CHAR && *CHAR!=C)CHAR++
182 #define tr(CHAR,B,C) {char *_S=CHAR; while(*_S){ if(*_S==B)*_S=C; _S++; }}
183 #define strswitch(CHAR) {char *_K=CHAR; FILE *_F=NULL; {{
184 #define stroption(STR) if(eq(STR,_K))
185 #define match(KEY,VAL) {char *_K=KEY, *_V=VAL; FILE *_F=NULL; {{
186 #define assign(STR,SETVAR) stroption(STR) SETVAR=_V
187 */
188 /* ------------------------------------------------------------------- */
189 /* Infrastructure, updated 2008-01-08 by xCh. */
190 /* ------------------------------------------------------------------- */
191 /* old #define program int _I; int main(int argc, char **argv) */
192 #define _ISTACK struct _IStack { int I; int _23; list(_IStack); } *_Iatom,*_Istack=NULL;
193 #define _SSTACK struct _SStack { char *S; int _23; list(_SSTACK); } *_Satom,*_Sstack=NULL;
194 #define _FSTACK struct _FStack { FILE *F; int _23; list(_FSTACK); } *_Fatom,*_Fstack=NULL;
195
196
197 #define _NEW_(ATOM,STACK,TYPE) (create(ATOM,TYPE),ATOM->_23=1,push(ATOM,STACK);ATOM->_23||pop(ATOM,STACK)&&0;ATOM->_23--)
198 #define _NEW_I for _NEW_(_Iatom,_Istack,_IStack)
199 //#define _NEW_I for(create(_Iatom,_IStack),_Iatom->_23=1,push(_Iatom,_Istack);_Iatom->_23||pop(_Iatom,_Istack)&&0;_Iatom->_23--)
200 #define _NEW_S for(create(_Satom,_SStack),_Satom->_23=1,push(_Satom,_Sstack);_Satom->_23||pop(_Satom,_Sstack)&&0;_Satom->_23--)
201 #define _I (_Iatom->I)
202 #define _S (_Satom->I)
203 #define _F (_Satom->F)
204 #define skip_one _I++
205
206 /* I/O iterations, updated 2004-04-19 by xCh. */
207
208 #define fparse(S,L,F) for(fgets(S,L,F);*S && !feof(F);fgets(S,L,F))
209 #define input(S,L) fparse(S,L,stdin)
210 #define fstring(S,F) { int _C=0,_L=0; fpos_t _P; fgetpos(F,&_P); while(_C!='\n' && !feof(F)){ _C=fgetc(F); _L++; } string(S,_L); fsetpos(F,&_P);fgets(S,_L,F);fgetc(F);}
211 #define parses(S,F) {FILE *_F=fopen(F,"r"); if(_F) { while(!feof(_F)) { fstring(S,_F);
212 #define parse(F) {char *_; FILE *_F=fopen(F,"r"); if(_F) { while(!feof(_F)) { fstring(_,_F);
213 #define fail }} else {{
214 #define done }} if(_F)fclose(_F);}
215 #define option(STR,SETVAR) if(_){char *_K,*_V,*_O,*_Q; duplicate(_,_Q); _O=_Q; tr(_O,'\t',' '); prefix(_K,_O,' '); if(eq(STR,_K)) {skipspaces(_O); prefix(_V,_O,'#'); cutspaces(_V); SETVAR=_V; _=NULL;} else free(_Q);}
216 #define ioption(STR,SETVAR) if(_){char *_K,*_V,*_O,*_Q; duplicate(_,_Q); _O=_Q; tr(_O,'\t',' '); prefix(_K,_O,' '); if(eq(STR,_K)) {skipspaces(_O); prefix(_V,_O,'#'); cutspaces(_V); SETVAR=atoi(_V); _=NULL;} free(_Q);}
217 #define loption(STR,SETVAR) if(_){char *_K,*_V,*_O,*_Q; duplicate(_,_Q); _O=_Q; tr(_O,'\t',' '); prefix(_K,_O,' '); if(eq(STR,_K)) {skipspaces(_O); prefix(_V,_O,'#'); cutspaces(_V); SETVAR=atol(_V); _=NULL;} free(_Q);}
218
219 /* Dynamic list advanced I/O, updated 2003-05-30 by xCh. */
220
221 /* obsolete #define load(A,B,F,T,K) {char *_S; parses(_S,F) { create(A,T); A->K=_S; A->_eoln=TRUE; append(A,B);} done; A->_eoln=FALSE;} */
222 /* obsolete #define save(A,B,F,K) {FILE *_F=fopen(F,"w"); if(_F) { for_each(A,B) {fputs(A->K,_F); if(A->_eoln) fputc('\n',_F);} fclose(_F);}} */
223
224 /* I/O sequences, updated 2003-05-29 by xCh. */
225
226 #define nullreopen(F) F=freopen("/dev/null","r",F)
227 #define stdinredir(CMD) {int _r[2];pipe(_r);if(fork()==0){dup2(_r[1],1);close(_r[0]);CMD;exit(0);}nullreopen(stdin);dup2(_r[0],0);close(_r[1]);}
228 #define shell(CMD) stdinredir(system(CMD))
229 #define paste(STR) stdinredir(fputs(STR,stdout))
230
231 /* String iterations, updated 2003-06-19 by xCh. */
232
233 #define split(A,B,C) for(prefix(A,B,C);A;(A!=B)&&prefix(A,B,C)||(A=NULL))
234 #define valid_split(A,B,C) split(A,B,C) if(*A)
235 #define columns(A,B,C,V) for(V=0,prefix(A,B,C);A;((A!=B)&&prefix(A,B,C)||(A=NULL)),V++)
236 #define valid_columns(A,B,C,V) for(V=0,prefix(A,B,C);A;((A!=B)&&prefix(A,B,C))||(A=NULL)) if(*A&&++V)
237 #define column(A,B,C,V) { int _V; columns(A,B,C,_V) if(_V==V) break; }
238 #define valid_column(A,B,C,V) { int _V; valid_columns(A,B,C,_V) if(_V==V) break; }
239
240 /* Useful structures, updated 2003-05-29 by xCh. */
241
242 #define hashtable(TYPE,NAME,VALUE) struct TYPE { char *NAME; char *VALUE; list(TYPE); }
243 #define textfile(TYPE,LINE) struct TYPE { char *LINE; char _eoln; list(TYPE); }
244 #define date(S) { time_t _T; _T=time(NULL); duplicate(ctime(&_T),S); }
245
246 /* ------------------------------------------------------------------- */
247 /* Object infrastructure and basic macros - updated 2008-01-13 by xCh. */
248 /* unfinished */
249 #define bind_interface(TYPE) struct TYPE *__class
250 #define method(NAME)
251 #define define_interface(IFACE,TYPE) struct TYPE *__get_##_##IFACE(void) { struct TYPE *_FACE=get_mem(TYPE); __bind_##_##IFACE(_FACE); return _IFC; } void __bind_##_##IFACE(struct TYPE *_FACE)
252 #define bind_method(METHOD,FUNCTION) _IFACE->METHOD=FUNCTION
253 #define get_interface(IFACE) __get_##_##IFACE(void)
254 // must be function #define get_object(TYPE) (_CLL1_MALLOC(TYPE),CLL1_ASSERT(),)
255 //#define _(OBJECT,FUNCTION) OBJECT==NULL?NULL::(*(OBJECT->__class->METHOD))(OBJECT
256
257 /* ------------------------------------------------------------------- */
258 /* some general ideas, unfinished */
259 //#define _CLL1_THROW(ERR)
260 //#define _CLL1_TRY _NEW_E for(;;) if () {.... if(_Eatom->SYS) { if(_Eatom->RET) return; else break;} else { }
261 //#define _ASSERT(EXPR) assert(EXPR)
262 //#define _CLL1_MALLOC(TYPE) malloc(sizeof(TYPE))
263
264 /* ------------------------------------------------------------------- */
265 /* Voila - here we go ! */
266 /* ------------------------------------------------------------------- */
267 #define define_cll1_globals _GLOBALS _ISTACK _SSTACK _FSTACK _MSTACK _RSTACK //_QSTACK
268 #define implement_cll1_functions _ECHO // _GET_STR _GET_MEM
269 #define define_cll1_interfaces //_CAKE
270 #define implement_cll1_library define_cll1_globals implement_cll1_functions define_cll1_interfaces
271 #define program implement_cll1_library int main(int argc, char **argv)
272 /* ------------------------------------------------------------------- */
273 #endif
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